Supima- ผ้าขี้ริ้วผ้าฝ้าย 100% ,Supima is 100% American Grown 93% of Supima is grown in California in the San Joaquin Valley. 3% is grown in Arizona, 2% in New Mexico, and a final 2% in Texas. Sustainable by Nature. Supima is a rare, premium natural fiber. It is grown on approximately 500 family owned farms, many of which are passed down from generation to generation.